66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2022 MediaTek Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MTK_ADSP_IPC_H
|
||
|
|
#define MTK_ADSP_IPC_H
|
||
|
|
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/mailbox_controller.h>
|
||
|
|
#include <linux/mailbox_client.h>
|
||
|
|
|
||
|
|
#define MTK_ADSP_IPC_REQ 0
|
||
|
|
#define MTK_ADSP_IPC_RSP 1
|
||
|
|
#define MTK_ADSP_IPC_OP_REQ 0x1
|
||
|
|
#define MTK_ADSP_IPC_OP_RSP 0x2
|
||
|
|
|
||
|
|
enum {
|
||
|
|
MTK_ADSP_MBOX_REPLY,
|
||
|
|
MTK_ADSP_MBOX_REQUEST,
|
||
|
|
MTK_ADSP_MBOX_NUM,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mtk_adsp_ipc;
|
||
|
|
|
||
|
|
struct mtk_adsp_ipc_ops {
|
||
|
|
void (*handle_reply)(struct mtk_adsp_ipc *ipc);
|
||
|
|
void (*handle_request)(struct mtk_adsp_ipc *ipc);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mtk_adsp_chan {
|
||
|
|
struct mtk_adsp_ipc *ipc;
|
||
|
|
struct mbox_client cl;
|
||
|
|
struct mbox_chan *ch;
|
||
|
|
char *name;
|
||
|
|
int idx;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mtk_adsp_ipc {
|
||
|
|
struct mtk_adsp_chan chans[MTK_ADSP_MBOX_NUM];
|
||
|
|
struct device *dev;
|
||
|
|
struct mtk_adsp_ipc_ops *ops;
|
||
|
|
void *private_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline void mtk_adsp_ipc_set_data(struct mtk_adsp_ipc *ipc, void *data)
|
||
|
|
{
|
||
|
|
if (!ipc)
|
||
|
|
return;
|
||
|
|
|
||
|
|
ipc->private_data = data;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void *mtk_adsp_ipc_get_data(struct mtk_adsp_ipc *ipc)
|
||
|
|
{
|
||
|
|
if (!ipc)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
return ipc->private_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
int mtk_adsp_ipc_send(struct mtk_adsp_ipc *ipc, unsigned int idx, uint32_t op);
|
||
|
|
|
||
|
|
#endif /* MTK_ADSP_IPC_H */
|